Advertisements
Advertisements
प्रश्न
Balance the following equation by the ion electron method.
\[\ce{C2O^2-_4 + Cr2O^2-_7 -> Cr^3+ + CO2}\] (in acid medium)
Advertisements
उत्तर
\[\ce{C^{+3}_2O^2-_4 -> C^{+4}O2}\] ......(1)
\[\ce{Cr^{+6}_2O^2-_7 -> Cr^3+}\] .......(2)
\[\ce{C2O^2-_4 -> 2CO2 + 2e^-}\] .....(3)
\[\ce{Cr2O^2-_7 + 14H^+ -> 2Cr^3+ + 7H2O}\] ......(4)
\[\ce{3C2O^2-_4 -> 6CO2 + 6e^-}\] ........(5) [Eq. (3) × 3]
\[\ce{Cr2O^2-_7 + 14H^+ + 6e^- -> 2Cr^3+ + 7H2O}\] .........(4)
\[\ce{Cr2O^2-_7 + 3C2O^2-_4 + 14H^+ -> 2Cr^3+ + 6CO2 + 7H2O}\]
APPEARS IN
संबंधित प्रश्न
Choose the disproportionation reaction among the following redox reactions.
Total number of electrons present in 1.7 g of ammonia is
The correct increasing order of the oxidation state of sulphur in the anions \[\ce{SO^2-_4, SO^2-_3, S2O^2-_4, S2O^2-_6}\] is
Which of the following contains the same number of carbon atoms as in 6 g of carbon-12.
Distinguish between oxidation and reduction.
Hydrogen peroxide is an oxidising agent. It oxidises ferrous ion to ferric ion and reduced itself to water. Write a balanced equation.
Balance the following equation by the oxidation number method.
\[\ce{Cu + HNO3 -> Cu(NO3)2 + NO2 + H2O}\]
Balance the following equation by the ion electron method.
\[\ce{KMnO4 + SnCl2 + HCl -> MnCl2 + SnCl4 + H2O + KCl}\]
Which of the following reagents is used for the following conversion?
\[\ce{CH3 - CH = CH - CHO -> CH3 - CH = CH - CH2OH}\]
In the redox reaction, \[\ce{2MnO^-_4 + SO^{2-}_3 + H2O -> 2MnO^{2-}_4 + SO^{2-}_4 + 2H^+}\], the reductant is:
